文献详情
无线传感器网络中中位数查询算法研究
外文标题：Median Query Research in Wireless Sensor Networks
文献类型：期刊
作者：Wu, Zhong-Bo^[1]Zhang, Hui^[2]Chen, Hong^[3]
机构：[1]Information School, Renmin University of China, Beijing 100872, China |Key Laboratory of Data Engineering and Knowledge Engineering, Ministry of Education, Beijing 100872, China |School of Mathematics and Computer Science, Xiangfan University, Xiangfan, Hubei 441053, China
[2]Information School, Renmin University of China, Beijing 100872, China |Key Laboratory of Data Engineering and Knowledge Engineering, Ministry of Education, Beijing 100872, China
[3]Information School, Renmin University of China, Beijing 100872, China |Key Laboratory of Data Engineering and Knowledge Engineering, Ministry of Education, Beijing 100872, China

通讯作者：Wu, Z.-B.(rucwzb@163.com)
年：2010
期刊名称：电子学报
卷：38
期：z1
页码范围：133-137
增刊：不确定
收录情况：EI(20102312996002)中文核心期刊要目总览中国科技核心期刊
所属部门：信息学院；数据工程与知识工程教育部重点实验室
语言：中文
ISSN：0372-2112
链接地址：http://d.g.wanfangdata.com.cn/Periodical_dianzixb2010z1024.aspx
人气指数：1
浏览次数：1
基金：国家自然科学基金; 国家863高技研究发计划; 教育部新世纪优秀人才支持计划
关键词：传感器网络;中位数查询;过滤器;影响因子
摘要：低廉的价格和恶劣的环境会导致传感器节点采样数据中存在误差和异常数据,所以有时候需要通过中位数查询来反映整个监测区域的平均水平.本文首先提出了基于等高直方图的中位数查询算法HMA,然后我们对其进行了扩展,提出了结合直方图与过滤器的HFMA算法,每个采样周期中只需要收集落在过滤器当中的数据并聚集数据的影响因子,基站根据收集的数据和影响因子聚集值计算出中位数.实验表明HFMA算法优于NAIVE算法和HMA算法,可以有效的节省能量开销,提高网络生命周期.
作者其他论文



Collusion-Aware Privacy-Preserving Range Query in Tiered Wireless Sensor Networks.Zhang, Xiaoying;Dong, Lei;Peng, Hui,等.SENSORS.2014,14(12),23905-23932.
On Perspective-Aware Top-k Similarity Search in Multi-relational Networks.Zhang, Yinglong;Li, Cuiping;Chen, Hong,等.19th International Conference on Database Systems for Advanced Applications (DASFAA).2014,8422,171-187.
Accuracy Estimation of Link-Based Similarity Measures and Its Application.Zhang, Yinglong;Li, Cuiping;Xie, Chengwang,等.15th International Conference on Web-Age Information Management (WAIM).2014,8485,100-112.
Fast Approximation of Shortest Path on Dynamic Information Networks.Jin, Junting;Shi, Xiaowei;Li, Cuiping,等.15th International Conference on Web-Age Information Management (WAIM).2014,8485,272-276.
HG-Bitmap Join Index: A Hybrid GPU/CPU Bitmap Join Index Mechanism for OLAP.Zhang, Yu;Zhang, Yansong;Su, Mingchuan,等.14th Conference on Web Information Systems Engineering (WISE).2014,8182,23-36.